Question about 2002 Chevrolet Blazer

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Alarm went off now it will not start

Pulled key out of ignition alarm went off now it will not start

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  • 167 Answers

Unplug the battery negative for about 30 minutes, keep the key out of the ignition. hopefully it resets the computer and try it again.

Posted on Jun 13, 2014

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Posted on Jan 02, 2017

Keith100881
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SOURCE: lost keys alarm is now going off.

need to be reprogrammed at dealer

Posted on May 24, 2009

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92 Toyota 4runner truck was running perfectly fine Later in the day went to start and the alarm just started going off and wouldn't turn off. Truck won't start even with keys turned in igniti


The alarm system somehow got activated , this is usually because the battery becomes discharged or disconnected try doing this:
Remove the key from the ignition
disconnect the negative battery terminal
put the key back in and turn to ON
exit the truck and leave door open
reconnect the battery terminal
get in and leave door open, if the alarm horn stays off it should start.

Dec 07, 2012 | 1992 Toyota 4Runner

1 Answer

I don't have a keyless remote and the alarm went off until i pull the battery cable


  • If this is a factory alarm then hook up the battery and put the key in the ignition. Not turn the vehicle on. This should disable the alarm if everything is working as it should. If it does not then there is a malfunction somewhere.

Jun 21, 2012 | 1988 Oldsmobile Toronado

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I got my keys locked inside my blazer in the switch. After finally getting inside I tryed to start but the battery was dead so after rechargeing the battery and hooking it up the alarm started to going...


Try disconnecting the battery, replacing the fuses you removed, turn the ignition to the run position, and reconnecting the battery. Many times this will turn the alarm off.

Sep 07, 2011 | Chevrolet Blazer Cars & Trucks

1 Answer

I got into the car went to start it, accidently hit the lock button on the key and activated the alarm. Now alarm won't deactivate and the car won't start


put the key back into the ignition and push any key buttons and hold for 10 seconds and the alarm should reset.adrian,,,,,,,,,,,,

Aug 14, 2010 | 2003 Land Rover Discovery

1 Answer

I have an 08 Jeep Liberty that has a remote starter on the key. I tried to unlock the car with the remote, however, that didn't work, so I unlocked the car with the key. The alarm went off, I tried pushing...


Sounds like you have a key without the chip in it. Replacement keys without the chip will only unlock the doors and will activate the theft alarm when you start the vehicle.

May 22, 2017 | 2008 Jeep Liberty

1 Answer

Car alarm went off while unlocking the door, now


you need to reset alarm/immobiliser.lock car with remote, hold button down for 30 secs,then press/hold down unlock button,should reset.another way is with key in ignition/turned on, press alarm button down and hold for 30 secs.this resets immobiliser.toyota
systems vary..depending on market.

Mar 30, 2010 | 1991 Lexus LS 400

1 Answer

Car sat for six months. Battery went dead and replaced with new one. Got it started after new battery, now it won't start, the alarm led is either flashing bright or very dim flashing fast. I'm sure that...


When alarm goes off,put key in ignition and turn,the alarm should go off and alarm should be reset.Or,remove positive battery cable,wait 10 minutes,reconnect,when you open door,alarm will sound,insert key in ignition and turn key and alarm should go off and alarm should be reset.

Aug 14, 2017 | 1994 Toyota 4Runner

1 Answer

Cant knock alarm unplugged but wont start


hi the thing with most alarms is that they include an imobiliser. it involves cutting part of the fuel/ignition system and running it through the alarm. so when you disconected the alarm you opened the system. a commen mistake. you should have received a key with the alarm and if it is a factory alarm the ignition key should do the trick. what you should do is reconnect the alarm and you should be able to tourn off the alarm with the key. if you don't have a key the only other answer is to have it bypassed by an auto electricion.
paul

Jul 01, 2009 | 1995 Volkswagen Golf

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